The Phillips 7-Way Plug Circuit Checker with LED is the perfect tool for any mechanic or DIYer. This handy device quickly and accurately checks the conductivity of all circuits in a 12-24V range. With its 7 leads, it can easily identify and fix electrical issues. This essential tool is a must-have for any garage or workshop. It is easy to use and will save you time and money. Get this circuit checker with LED and make sure your electrical system is running smoothly. FleetPride is your First Click in Heavy Duty®.